HT1632 -- 32x8 & 24x16 LED Driver

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 楼主| happyyear 发表于 2008-4-8 15:02 | 显示全部楼层 |阅读模式
有人需要用LED&nbsp;Driver&nbsp;IC&nbsp;么?可替代多颗MBI5026,详细如下:<br />General&nbsp;Description<br /><br />The&nbsp;HT1632&nbsp;is&nbsp;a&nbsp;memory&nbsp;mapping&nbsp;LED&nbsp;display&nbsp;controller/driver,&nbsp;which&nbsp;can&nbsp;select&nbsp;a&nbsp;number&nbsp;of&nbsp;out&nbsp;bits&nbsp;and&nbsp;commons.&nbsp;These&nbsp;are&nbsp;32&nbsp;out&nbsp;bits&nbsp;&&nbsp;8&nbsp;commons&nbsp;and&nbsp;24&nbsp;out&nbsp;bits&nbsp;&&nbsp;16&nbsp;commons.&nbsp;The&nbsp;device&nbsp;supports&nbsp;16-gradation&nbsp;LEDs&nbsp;for&nbsp;each&nbsp;out&nbsp;line&nbsp;usingPWMcontrol&nbsp;with&nbsp;software&nbsp;instructions.&nbsp;A&nbsp;serial&nbsp;interface&nbsp;is&nbsp;conveniently&nbsp;provided&nbsp;for&nbsp;the&nbsp;command&nbsp;mode&nbsp;and&nbsp;data&nbsp;mode.&nbsp;Only&nbsp;three&nbsp;or&nbsp;four&nbsp;lines&nbsp;are&nbsp;required&nbsp;for&nbsp;the&nbsp;interface&nbsp;between&nbsp;the&nbsp;host&nbsp;controller&nbsp;and&nbsp;the&nbsp;HT1632.&nbsp;The&nbsp;display&nbsp;can&nbsp;be&nbsp;extended&nbsp;by&nbsp;cascading&nbsp;the&nbsp;HT1632&nbsp;for&nbsp;wider&nbsp;applications.&nbsp;&nbsp;Features<br /><br />Operating&nbsp;voltage:&nbsp;2.4V~5.5V&nbsp;<br />Multiple&nbsp;LED&nbsp;display&nbsp;-&nbsp;32&nbsp;out&nbsp;bits/8&nbsp;commons&nbsp;and&nbsp;24&nbsp;out&nbsp;bits/16&nbsp;commons&nbsp;<br />Integrated&nbsp;display&nbsp;RAM&nbsp;-&nbsp;select&nbsp;32&nbsp;out&nbsp;bits&nbsp;&<br />8&nbsp;commons&nbsp;for&nbsp;64x4&nbsp;display&nbsp;RAM,&nbsp;or&nbsp;select&nbsp;24<br />outbits&nbsp;&&nbsp;16&nbsp;commons&nbsp;for&nbsp;96x4&nbsp;display&nbsp;RAM&nbsp;<br />16-level&nbsp;PWM&nbsp;brightness&nbsp;control&nbsp;<br />Integrated&nbsp;256kHz&nbsp;RC&nbsp;oscillator&nbsp;<br />Serial&nbsp;MCU&nbsp;interface&nbsp;-&nbsp;CS,&nbsp;RD,&nbsp;WR,&nbsp;DATA&nbsp;<br />Data&nbsp;mode&nbsp;&&nbsp;command&nbsp;mode&nbsp;instruction&nbsp;<br />Cascading&nbsp;function&nbsp;for&nbsp;extended&nbsp;applications&nbsp;(up&nbsp;to&nbsp;5&nbsp;HT1632s&nbsp;possible)&nbsp;<br />Selectable&nbsp;NMOS&nbsp;open&nbsp;drain&nbsp;output&nbsp;driver&nbsp;and<br />PMOS&nbsp;open&nbsp;drain&nbsp;output&nbsp;driver&nbsp;for&nbsp;commons&nbsp;<br />52-pin&nbsp;QFP&nbsp;package&nbsp;<br />&nbsp;<br /><br /><br />有兴趣联系我啦&nbsp;&nbsp;021-64320077*1012&nbsp;&nbsp;amy<br /><br /> 相关链接:<a href='https://bbs.21ic.com/upfiles/img/20084/20084815150618.pdf'>https://bbs.21ic.com/upfiles/img/20084/20084815150618.pdf</a>
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